Home / 4,128.78-6,193.13-1,935.97

Finding the Fourth Proportional to 4,128.78, 6,193.13 and 1,935.97

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Solution

The fourth proportional to 4,128.78, 6,193.13 and 1,935.97 is: 2,903.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.78 : 6,193.13 = 1,935.97 : x
  2. Step 2: Convert to fraction form
    4,128.78/6,193.13 = 1,935.97/x
  3. Step 3: Cross multiply
    4,128.78x = 6,193.13 × 1,935.97
  4. Step 4: Simplify right side
    4,128.78x = 11,989,688.72
  5. Step 5: Solve for x
    x = 11,989,688.72/4,128.78
  6. Step 6: Final answer
    x = 2,903.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.